Electrical Grounding – February, 2023
Et Tu, Plumber? Back in the day, this would have been the house’s “main grounding connection.” It’s where the electrical service was grounded to the house’s steel water pipe. Somewhere along the way, someone changed out the thicker steel pipe for a more slender copper tube. Disturbed rust on the screw threads shows where someone loosened the clamp to change it, but callously [...]